/*
* Copyright 2010 VoidSearch.com
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.voidsearch.voidbase.quant.vector;
import java.util.Random;
public class SparseBinaryVector extends ArrayVector {
Random rnd = new Random();
/**
* create vector of given size with given probability of binary event
*
* @param size
* @param p
*/
public SparseBinaryVector(int size, double p) {
super(size);
init(p);
}
private void init(double p) {
for (int i=0; i<vector.length; i++) {
if (rnd.nextDouble() <= p) {
vector[i] = 1;
}
}
}
}